Home / 72,890.24-100,591.59-40,624.87

Finding the Fourth Proportional to 72,890.24, 100,591.59 and 40,624.87

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Solution

The fourth proportional to 72,890.24, 100,591.59 and 40,624.87 is: 56,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,890.24 : 100,591.59 = 40,624.87 : x
  2. Step 2: Convert to fraction form
    72,890.24/100,591.59 = 40,624.87/x
  3. Step 3: Cross multiply
    72,890.24x = 100,591.59 × 40,624.87
  4. Step 4: Simplify right side
    72,890.24x = 4,086,520,266.84
  5. Step 5: Solve for x
    x = 4,086,520,266.84/72,890.24
  6. Step 6: Final answer
    x = 56,064.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.